Removing The Connection Bracket For The Interference-Suppression Capacitor With Operation From An Ungrounded Supply - Siemens SINAMICS S150 Operating Instructions Manual

Electrical installation
4.6 Power connections
4.6.5 Removing the connection bracket for the interference-suppression capacitor with
operation from an ungrounded supply
If the cabinet unit is operated from an ungrounded supply/IT system, the connection bracket
for the interference-suppression capacitor of the active interface modules (-A2) must be
removed.
Figure 4-5
Failing to remove the connection bracket for the interference-suppression capacitor on a
non-grounded system/IT system can cause significant damage to the cabinet unit.
58
Removing the connection bracket for the interference-suppression capacitor
WARNING
Drive converter cabinet units
Operating Instructions, 07/07, A5E00288214A